Software Engineer Senior

Sowmya Sree

Lead Developer Senior Software Engineer

+1-720-***-**** Cumming GA 300041

******.****.*@*****.*** https://www.linkedin.com/in/sowmya- sree/duvvarapu

Summary

Results-driven IT professional with over 11+ years of experience, specializing in Microservices, DevOps, and Solution & Technical Architecture, with a strong focus on Cloud and On-Premise multi-tier architectures, Microservices, SOA, Cloud Services, and Big Data storage and analytics frameworks.

Special emphasis on application development, software development methodologies, configuration management, and performance tuning of small, medium, and large-scale applications across diverse domains, including Credit Score, Hospitality, Banking, Telecom, e-Commerce, and Airline Catering services

Proven track record in delivering scalable solutions, with an emphasis on application development methodologies, configuration management, and performance optimization for medium to large-scale systems.

Strong communicator with a broad and deep technical knowledge base, enabling effective collaboration across teams and successful project delivery

Known for a results-driven, proactive mindset, with demonstrated strengths in problem-solving, troubleshooting, and adapting to complex technical challenges. Educational Qualification

Bachelor of Technology in Computer Science & Engineering from Jawaharlal Nehru Technological University, Kakinada, India in 2007

Work Authorization in the USA

H1B Visa with I-140

Professional Experience

Sl. No # Employer & Client Role

1 KR Elixir INC, USA May 2025 – Till date Senior Developer

• Equifax, Inc. GA USA

2

Mavin Technologies INC, USA May 2023 – Mar 2025

Sep 2018 – Aug 2021 Senior Developer

• Marriott, USA

3

Infosys Technologies, USA & India Aug 2021 – Apr 2023 Lead Engineer

• Bank Of America, USA

4

Wipro Technologies, IND Apr 2010 – Jun 2012

Software Engineer

• Cisco Systems, USA

5

Marlabs Software Services, IND Apr 2008 – Apr 2010 Software Engineer

• Gate Gourmet, USA

P a g e 2 4

Technical Skills

Language Java, XML, JSON

JEE Technology Stack

Spring Boot, Spring Core, MVC, REST, Security, Spring Data, Webflux, Apache Beam, Apache Kafka, ActiveMQ, Qlik Tool, JDBC, Hibernate, SOAP Web Services with Apache Axis API, WSDL, Swagger, Open API, Splunk, Dynatrace, Servlets, JSP, JSTL, XSD, Java Mail API, iText, POI, Open CSV, jFTP, Javers etc Cloud Technology

Stack

GCP Cloud Services - Compute Engine, IAM, Workloads, Storage, Cloud Functions, Cloud Schedulers, Jobs – Airflow, Dataflow, BigQuery, BigTable, Spanner, Config Management, Kubernetes Engine, VPC, Pub/ Sub AWS – Basic Knowledge of the services

Messaging Systems • Apache Kafka, Apache ActiveMQ, Pub/ Sub Application Servers • Apache embedded tomcat server, Apache tomcat server 5X, jBoss 5x Relational Database • Oracle, MySQL, PostgreSQL

NoSQL • Bigtable, Big Query, Spanner

Load Test • JMeter

Version Controls • SVN, Git, GitHub

IDEs • IntelliJ, Spring Tool Suite

Design Tools • Lucid, Draw.io

Build Tools • Apache Maven, Jenkins, Docker

Static Code Analyzer • Fortify, Veracode

AI Tools & Apps • Github Copilot, ChatGPT, Google Gemini Responsibilities

Implemented synchronous and asynchronous loosely coupled multi-tier enterprise architectures, ensuring scalability, fault tolerance, and performance optimization across cloud and on-prem environments

Prepared detailed high-level and low-level design documents using tools like Lucid chart, Confluence for documentation, and secured client approval for architectural and implementation plans

Designed and implemented RESTful web services using Spring Boot, adhering to REST and HTTP standards for seamless system integration. Integrated Swagger/OpenAPI for consistent, self- documented APIs and managed microservices deployment and orchestration on Kubernetes via Rancher, ensuring high availability, scalability, and operational efficiency. Implemented Dataflow pipelines using Apache Beam for streaming and batch data processing, to enable efficient data processing and analytics

Leveraged GitHub Copilot in daily development activities, including building Spring Boot REST services and implementing streaming and batch data pipelines using Apache Beam.

Implemented and managed scalable data storage, ingestion, and analytics solutions using BigQuery, Bigtable, and Spanner for efficient data processing and management

Leveraged Spark SQL datasets and aggregate functions to analyze business data, enabling efficient querying and generation of actionable insights

P a g e 3 4

Implemented the persistence layer using Spring Data JPA, Hibernate, and Spring Repository APIs to enable efficient and scalable data access. Developed complex SQL queries, stored procedures, and functions in Oracle to handle data manipulation and retrieval effectively

Implemented event handlers to publish and consume payloads via Kafka topics using Spring for Apache Kafka, enabling seamless communication and efficient data processing across the system

Implemented cron jobs with Spring Batch Scheduler to automate batch processes, ensuring timely execution of scheduled tasks for efficient data processing and system maintenance

Implemented health checks across microservices, event-driven, and batch services to maintain system reliability and performance

Implemented concurrent multithreading using the Executor framework and Spring Boot’s CompletableFuture to enable asynchronous task execution and optimize system resource utilization

Implemented SOAP web services using Apache Axis and JAX-RS WS APIs, deep understanding of SOAP, WSDL, and XML standards for building interoperable and robust web services

Implemented marshaling and unmarshaling of XML data using the Castor open-source API, expertise in XML data binding and manipulation for efficient data exchange and processing

Parsed AVRO, CSV, XML, and PDF documents using open-source APIs such as Apache POI for Excel documents, iText for PDFs, and other relevant open-source APIs

Utilized the Javers API to perform deep object comparison, enabling accurate detection of changes in Java objects for auditing and versioning

Integrated JavaMail API to enable automated email notifications with dynamic content and attachments based on business logic

Performed API load testing with Apache JMeter to assess system performance under concurrent user load.

Investigated JVM thread dumps to troubleshoot memory leaks, uncover deadlocks, and optimize application performance

Maintained SVN, Git, and GitHub repositories by managing release branches to support version control and collaborative development

Developed and deployed cloud-native Java applications to Tomcat, JBoss, and WebLogic using Docker and Kubernetes. Automated build and release pipelines with Jenkins and Maven to ensure streamlined deployments and high availability in cloud environments

Proficient in Maven for build automation and Jenkins for CI/CD pipelines, leveraging Docker and Kubernetes for containerization and orchestration. Experienced in managing container platforms using Red Hat OpenShift and Rancher to support scalable microservices deployments in cloud environments

Leveraged Splunk to debug critical system issues and generate detailed, actionable reports, enabling data-driven decision-making that improved operational efficiency by 15% in a fintech environment

Performed detailed code reviews leveraging GitHub in CI/CD pipelines, enforcing best practices and coding standards to enhance code quality and system reliability

Trained new joiners and freshers by providing comprehensive guidance and hands-on instruction to familiarize them with project tools, technologies, and processes P a g e 4 4

Most recent 3 project details

KR Elixir Inc.

Client Equifax, Inc. GA USA Domain Credit Score

Project # 1 Data Fabric Duration May 2025 – Till now Description: The Data Fabric Framework is a robust data processing architectural solution implemented at Equifax, designed to operate at scale on the Google Cloud Platform (GCP). It handles the end-to-end processing of large volumes of data received from a wide range of Equifax vendors and data providers across the globe. The framework processes data in a structured, stage-by-stage pipeline consisting of four key phases: (1) Data Ingestion – capturing and importing raw data from multiple sources, (2) Keying & Linking – identifying and linking data elements across sources to create unified profiles, (3) Journaling – maintaining historical records of changes for auditability and traceability, and (4) Purposing – transforming and preparing data for consumption by downstream systems. The final, refined datasets are leveraged for credit reporting, regulatory compliance, and advanced analytics, supporting critical business functions across the enterprise

Mavin Technologies INC, USA

Client Marriott, USA Domain Hospitality

Project # 2 Member Benefits Duration May 2023 – May 2025 Description: The Member Benefits Service is designed to provide Marriott Bonvoy members with a personalized and seamless experience by delivering a curated list of benefits. These benefits are intelligently tailored based on each member’s loyalty tier, preferred hotel brand, and the geographic region where they intend to book their stay, ensuring that every recommendation is relevant, valuable, and aligned with their travel preferences

Infosys Technologies, USA & India

Client Bank Of America, USA Domain Banking

Project # 3 Deposits & Sales Duration Aug 2021 – Apr 2023 Description: Bank of America’s Deposits and Sales services are built on a microservices architecture to support individual and small business customers in opening various accounts—Checking (Advantage Plus, Advantage Relationship, SafeBalance), Savings, and CD/IRA—via digital and assisted channels. The platform also enables customers to apply for vehicle loans through multiple sales channels, including self- service applications via the website or mobile app, and assisted applications through branches, call centers, or dealer networks, offering flexibility and a seamless experience

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